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https://www.readbyqxmd.com/read/28110285/validation-of-a-clinical-screening-instrument-for-tumour-predisposition-syndromes-in-patients-with-childhood-cancer-tups-protocol-for-a-prospective-observational-multicentre-study
#1
Floor A M Postema, Saskia M J Hopman, Corianne A J M de Borgie, Peter Hammond, Raoul C Hennekam, Johannes H M Merks, Cora M Aalfs, Jakob K Anninga, Lieke Pv Berger, Fonnet E Bleeker, Eveline Sjm de Bont, Corianne Ajm de Borgie, Charlotte J Dommering, Natasha Ka van Eijkelenburg, Peter Hammond, Raoul C Hennekam, Marry M van den Heuvel-Eibrink, Saskia Mj Hopman, Marjolijn Cj Jongmans, Wijnanda A Kors, Tom Gw Letteboer, Jan Lcm Loeffen, Johannes Hm Merks, Maran Jw Olderode-Berends, Floor Am Postema, Anja Wagner
INTRODUCTION: Recognising a tumour predisposition syndrome (TPS) in patients with childhood cancer is of significant clinical relevance, as it affects treatment, prognosis and facilitates genetic counselling. Previous studies revealed that only half of the known TPSs are recognised during standard paediatric cancer care. In current medical practice it is impossible to refer every patient with childhood cancer to a clinical geneticist, due to limited capacity for routine genetic consultation...
January 20, 2017: BMJ Open
https://www.readbyqxmd.com/read/28110098/clinical-manifestations-of-helicobacter-pylori-negative-gastritis
#2
Seiji Shiota, Aaron P Thrift, Linda Green, Rajesh Shah, Gordana Verstovsek, Massimo Rugge, David Y Graham, Hashem B El-Serag
OBJECTIVES: There are data to suggest the existence of non-H. pylori gastritis. However, the risk factors and clinical course for H. pylori-negative gastritis remain unclear. We aimed to examine the prevalence and determinants of H. pylori-negative gastritis in a large multiethnic clinical population. METHOD: We conducted a cross-sectional study among patents scheduled for an elective esophagastroduodenoscopy or attending selected primary care clinics and eligible for screening colonoscopy at a single VA medical center...
January 18, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28110015/rapid-assessment-of-estrogenic-compounds-by-cxcl-test-illustrated-by-the-screening-of-the-uv-filter-derivative-benzophenones
#3
Denis Habauzit, Catherine Martin, Gwenneg Kerdivel, Farzad Pakdel
CXCL-test is a method that uses the estrogen-dependent secretion of the natural endogenous chemokine CXCL12 to evaluate the estrogenic activity of molecules. CXCL12 chemokine is involved in the estrogen dependent proliferation of breast cancer cells. Its measure is an indicator of cell proliferation and is used as an alternative test to classical proliferation test. Here we aimed to optimize this test, first to increase the number of tested molecules in a single assay and then to decrease the number of intermediate steps...
January 6, 2017: Chemosphere
https://www.readbyqxmd.com/read/28109792/bisacodyl-and-its-cytotoxic-activity-on-human-glioblastoma-stem-like-cells-implication-of-inositol-1-4-5-triphosphate-receptor-dependent-calcium-signaling
#4
Jihu Dong, Francisco Aulestia, Suzana Assad Kahn, Maria Zeniou, Luiz Gustavo Dubois, Elias A El-Habr, François Daubeuf, Nassera Tounsi, Samuel H Cheshier, Nelly Frossard, Marie-Pierre Junier, Hervé Chneiweiss, Isabelle Néant, Marc Moreau, Catherine Leclerc, Jacques Haiech, Marie-Claude Kilhoffer
Glioblastoma is the most common malignant brain tumor. The heterogeneity at the cellular level, metabolic specificities and plasticity of the cancer cells are a challenge for glioblastoma treatment. Identification of cancer cells endowed with stem properties and able to propagate the tumor in animal xenografts has opened a new paradigm in cancer therapy. Thus, to increase efficacy and avoid tumor recurrence, therapies need to target not only the differentiated cells of the tumor mass, but also the cancer stem-like cells...
January 18, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28109472/depression-and-survival-in-head-and-neck-cancer-patients
#5
Katherine Rieke, Kendra K Schmid, William Lydiatt, Julia Houfek, Eugene Boilesen, Shinobu Watanabe-Galloway
OBJECTIVE: Though depression often afflicts head and neck cancer (HNC) patients, few studies have examined the association between depression and survival in this particular cancer population. The objective of this study is to investigate the five-year survival of HNC patients by depression status. MATERIALS AND METHODS: This study used SEER-Medicare data from 2002-2010 and identified depression diagnosis two years before and one year after cancer diagnosis. HNC patients were identified using ICD-O3 codes and depression was identified using ICD-9-CM codes from Medicare claims...
February 2017: Oral Oncology
https://www.readbyqxmd.com/read/28109469/associations-between-neighbourhood-support-and-financial-burden-with-unmet-needs-of-head-and-neck-cancer-survivors
#6
Katie M O'Brien, Aileen Timmons, Phyllis Butow, Rachael Gooberman-Hill, Eleanor O'Sullivan, Myles Balfe, Linda Sharp
PURPOSE: To assess the unmet needs of head and neck cancer survivors and investigate associated factors. In particular, to explore whether social support (family/friends and neighbours) and financial burden are associated with unmet needs of head and neck cancer (HNC) survivors. METHODS: This was a cross-sectional study of HNC survivors, with 583 respondents included in the analysis. Information was collected on unmet supportive care needs as measured by the Supportive Care Needs Survey (SCNS-SF34)...
February 2017: Oral Oncology
https://www.readbyqxmd.com/read/28109445/identification-of-novel-macropinocytosing-human-antibodies-by-phage-display-and-high-content-analysis
#7
K D Ha, S M Bidlingmaier, Y Su, N-K Lee, B Liu
Internalizing antibodies have great potential for the development of targeted therapeutics. Antibodies that internalize via the macropinocytosis pathway are particularly promising since macropinocytosis is capable of mediating rapid, bulk uptake and is selectively upregulated in many cancers. We hereby describe a method for identifying antibodies that internalize via macropinocytosis by screening phage-displayed single-chain antibody selection outputs with an automated fluorescent microscopy-based high-content analysis platform...
2017: Methods in Enzymology
https://www.readbyqxmd.com/read/28109436/combining-click-chemistry-based-proteomics-with-dox-inducible-gene-expression
#8
J Gebert, M Schnölzer, U Warnken, J Kopitz
Inactivating mutations in single genes can trigger, prevent, promote, or alleviate diseases. Identifying such disease-related genes is a main pillar of medical research. Since proteins play a crucial role in mediating these effects, their impact on the diseased cells' proteome including posttranslational modifications has to be elucidated for a detailed understanding of the role of these genes in the disease process. In complex disorders, like cancer, several genes contribute to the disease process, thereby hampering the assignment of a proteomic change to the corresponding causative gene...
2017: Methods in Enzymology
https://www.readbyqxmd.com/read/28109301/a-cohort-study-of-ethnic-differences-in-use-of-adjuvant-chemotherapy-and-radiation-therapy-for-breast-cancer-in-new-zealand
#9
Sanjeewa Seneviratne, Ian Campbell, Nina Scott, Ross Lawrenson
BACKGROUND: Ethnic and socioeconomic inequities in use of breast cancer adjuvant therapy are well documented in many countries including the USA, and are known to contribute to lower breast cancer survival among minority ethnic and socioeconomically deprived women. We investigated ethnic and socioeconomic inequities in use of adjuvant radiotherapy and chemotherapy in a cohort of women with invasive breast cancer in New Zealand. METHODS: All women with newly diagnosed invasive breast cancer during 1999-2012 were identified from the Waikato Breast Cancer Register...
January 21, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28109290/characterizing-breast-conditions-at-an-open-access-breast-clinic-in-south-africa-a-model-that-is-more-than-cancer-care-for-a-resource-limited-setting
#10
Sarah Rayne, Naomi Lince-Deroche, Cheryl Hendrickson, Kate Shearer, Faith Moyo, Pam Michelow, Grace Rubin, Carol Benn, Cynthia Firnhaber
BACKGROUND: While most breast-related research focuses on cancer, presentation of symptomatic persons in non-screened environments requires understanding the spectrum of breast diseases so as to plan services in resource-constrained settings. This study presents the variety of breast disease managed at a government, open-access breast clinic in South Africa. METHODS: We performed a retrospective file review using a systematic random sample of patients 18 years and above presenting for breast care over a 14-month period...
January 21, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28108837/can-mechanical-imaging-increase-the-specificity-of-mammography-screening
#11
Magnus Dustler, Daniel Förnvik, Pontus Timberg, Ingvar Andersson, Hannie Petersson, Håkan Brorson, Anders Tingberg, Sophia Zackrisson
OBJECTIVES: This study aimed to investigate the effects of adding adjunct mechanical imaging to mammography breast screening. We hypothesized that mechanical imaging could detect increased local pressure caused by both malignant and benign breast lesions and that a pressure threshold for malignancy could be established. The impact of this on breast screening was investigated with regard to reductions in recall and biopsy rates. METHODS: 155 women recalled from breast screening were included in the study, which was approved by the regional ethical review board (dnr 2013/620)...
January 20, 2017: European Radiology
https://www.readbyqxmd.com/read/28108622/a-genome-wide-loss-of-function-screen-identifies-slc26a2-as-a-novel-mediator-of-trail-resistance
#12
Lina Dimberg, Christina G Towers, Kian Behbakht, Taylor Hotz, Jihye Kim, Susan P Fosmire, Christopher C Porter, Aik-Choon Tan, Andrew Thorburn, Heide L Ford
: TNF-related apoptosis inducing ligand (TRAIL) is a potent death-inducing ligand that mediates apoptosis through the extrinsic pathway and serves as an important endogenous tumor suppressor mechanism. Because tumor cells are often killed by TRAIL and normal cells are not, drugs that activate the TRAIL pathway have been thought to have potential clinical value. However, to date, most TRAIL-related clinical trials have largely failed due to the tumor cells having intrinsic or acquired resistance to TRAIL-induced apoptosis...
January 20, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28108506/biomarker-dynamics-in-b-cell-lymphoma-a-longitudinal-prospective-study-of-plasma-samples-up-to-25-years-before-diagnosis
#13
Florentin Späth, Carl Wibom, Esmeralda J M Krop, Ann-Sofie Johansson, Ingvar A Bergdahl, Roel Vermeulen, Beatrice Melin
The B-cell activation markers CXCL13, sCD23, sCD27, and sCD30 are associated with future lymphoma risk. However, a lack of information about the individual dynamics of marker-disease association hampers interpretation. In this study, we identified 170 individuals who had donated two pre-diagnostic blood samples before B-cell lymphoma diagnosis, along with 170 matched cancer-free controls from the Northern Sweden Health and Disease Study. Lymphoma risk associations were investigated by subtype and marker levels measured at baseline, at the time of the repeated sample, and with the rate of change in the marker level...
January 20, 2017: Cancer Research
https://www.readbyqxmd.com/read/28108348/epigenetic-basis-of-cancer-health-disparities-looking-beyond-genetic-differences
#14
REVIEW
Aamir Ahmad, Shafquat Azim, Haseeb Zubair, Mohammad Aslam Khan, Seema Singh, James E Carter, Rodney Rocconi, Ajay P Singh
Despite efforts at various levels, racial health disparities still exist in cancer patients. These inequalities in incidence and/or clinical outcome can only be explained by a multitude of factors, with genetic basis being one of them. Several investigations have provided convincing evidence to support epigenetic regulation of cancer-associated genes, which results in the differential transcriptome and proteome, and may be linked to a pre-disposition of individuals of certain race/ethnicity to early or more aggressive cancers...
January 17, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28108269/are-hemoglobin-levels-really-lower-in-faecal-immunochemical-test-positive-patients-with-colorectal-cancer
#15
Jing Yu Ng, Ian Jse-Wei Tan, Ker-Kan Tan
INTRODUCTION: Faecal immunochemical test (FIT) is advocated in many colorectal cancer-screening programs. A positive FIT translates to the need for a colonoscopy. However, waiting times for diagnostic colonoscopy is long. The aim of our study is to determine the correlation of hemoglobin levels in patients with a positive FIT who were subsequently diagnosed with colorectal cancer, and to compare them with patients with only colonic adenomas and those with normal colonoscopy with the intention of determining if hemoglobin levels could be used to stratify the urgency of colonoscopy...
January 17, 2017: Surgeon: Journal of the Royal Colleges of Surgeons of Edinburgh and Ireland
https://www.readbyqxmd.com/read/28108225/female-schizophrenia-patients-and-risk-of-breast-cancer-a-population-based-cohort-study
#16
Ana Isabel Wu Chou, Yu-Chiao Wang, Cheng-Li Lin, Chia-Hung Kao
OBJECTIVE: Breast cancer is the most common type of cancer in women. This population-based cohort study aimed to examine the association between breast cancer in female schizophrenia patients and its association with the use of antipsychotics drugs. METHODS: All study subjects were selected from the Taiwan Insurance Claims Data (1998-2008). We compared the risk for breast cancer between female schizophrenia patients receiving antipsychotics (n=29,641) with female patients without any serious mental illnesses nor receiving antipsychotic drugs (n=59,282)...
January 17, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28108151/a-functional-genetic-screen-identifies-the-phosphoinositide-3-kinase-pathway-as-a-determinant-of-resistance-to-fibroblast-growth-factor-receptor-inhibitors-in-fgfr-mutant-urothelial-cell-carcinoma
#17
Liqin Wang, Tonći Šuštić, Rodrigo Leite de Oliveira, Cor Lieftink, Pasi Halonen, Marieke van de Ven, Roderick L Beijersbergen, Michel M van den Heuvel, René Bernards, Michiel S van der Heijden
Activating mutations and translocations of the FGFR3 gene are commonly seen in urothelial cell carcinoma (UCC) of the bladder and urinary tract. Several fibroblast growth factor receptor (FGFR) inhibitors are currently in clinical development and response rates appear promising for advanced UCC. A common problem with targeted therapeutics is intrinsic or acquired resistance of the cancer cells. To find potential drug targets that can act synergistically with FGFR inhibition, we performed a synthetic lethality screen for the FGFR inhibitor AZD4547 using a short hairpin RNA library targeting the human kinome in the UCC cell line RT112 (FGFR3-TACC3 translocation)...
January 17, 2017: European Urology
https://www.readbyqxmd.com/read/28108012/-cancer-screening-in-france-10%C3%A2-years-of-analysis-of-behaviours-by-the-edifice-surveys
#18
REVIEW
François Eisinger, Xavier Pivot, Laurent Greillier, Sébastien Couraud, Alexis B Cortot, Chantal Touboul, Christine Lhomel, Jean-Yves Blay, Jean-François Morère, Jérôme Viguier
Accessibility to cancer screening in France has been facilitated by the implementation of organised programs (breast cancer and colorectal cancer) and by national recommendations (cervical cancer). Personal motivation may also trigger participation in prostate cancer screening. This paper proposes an overview of attitudes toward cancer screening among the general population over a period of more than 10 years and the perception of this behaviour by general practitioners. It is noteworthy that although certain cancer screening programmes, such as for breast cancer, are widely established throughout the population, uptake of others, such as for colorectal or prostate cancer, is contingent on sociological factors and vulnerability...
January 17, 2017: Bulletin du Cancer
https://www.readbyqxmd.com/read/28107965/loopback-rolling-circle-amplification-for-ultrasensitive-detection-of-kras-gene
#19
Huo Xu, Dong Wu, Yifan Jiang, Rongbo Zhang, Qingzheng Wu, Yiyun Liu, Feng Li, Zai-Sheng Wu
Mutations in Kras gene may be used as a diagnostic marker and a target for treatment of the broad spectrum of human cancers. In this study, we developed a new class of amplification assay, double-hairpin molecular beacon (DHMB)-based cascade rolling circle amplification (RCA), for ultrasensitive and selective detection of Kras gene in a homogenous solution. Specifically, target DNA can hybridize with DHMB and activate cyclical target strand-displacement polymerization (CTDP) and nicking-mediated strand-displacement polymerization (NMDP)...
March 1, 2017: Talanta
https://www.readbyqxmd.com/read/28107765/lower-adenoma-miss-rate-with-fuse-vs-conventional-colonoscopy-with-proximal-retroflexion-a-randomized-back-to-back-trial
#20
Ioannis S Papanikolaou, Periklis Apostolopoulos, Georgios Tziatzios, Erasmia Vlachou, Athanasios D Sioulas, Dimitrios Polymeros, Andreas Karameris, Ioannis Panayiotides, Georgios Alexandrakis, George D Dimitriadis, Konstantinos Triantafyllou
Background and study aims Full-spectrum colonoscopy (FSC) promises to increase adenoma detection by providing a wider field of view. The aim of this study was to compare adenoma miss rates of FSC with those of conventional colonoscopy complemented by right-colon re-examination using scope retroflexion (CC/R). Patients and methods At two tertiary endoscopy facilities, patients who were scheduled for colonoscopy for the assessment of symptoms or for colorectal cancer screening/surveillance were randomized (1:1) to undergo same-day, back-to-back colonoscopies (FSC or CC/R first), performed by one of five endoscopists who had documented adenoma detection rates > 35 %...
January 20, 2017: Endoscopy
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